Current Production
SBGD228
GRAND SEIKO SBGD228
MSRP
$273,000 USD
Verified Aug 18, 2026
Case diameter44.5 mm
Lug-to-lug52 mm
Thickness14.4 mm
Case material18k rose gold
Water resistance100 m
MovementSpring Drive Manual winding
Calibre9R01
Power reserve192 hours
Bracelet or strapCrocodile leather
Specifications as published by Grand Seiko →
Last verified Aug 18, 2026